1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
A hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential of electrode would be
A
0.118 V
B
1.18 V
C
0.059 V
D
0.59 V
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20oC to 35oC?
(R = 8.314 J mol$$-$$1 K$$-$$1)
A
34.7 kJ mol$$-$$1
B
15.1 kJ mol$$-$$1
C
342 kJ mol$$-$$1
D
269 kJ mol$$-$$1
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Which of these is not a monomer for a high molecular mass silicone polymer?
A
Me3SiCl
B
PhSiCl3
C
MeSiCl3
D
Me2SiCl2
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
The basic structural unit of silicates is
A
SiO32$$-$$
B
SiO$$_4^{2 - }$$
C
SiO$$-$$
D
SiO$$_4^{4 - }$$
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